/**
 * BOX SHADOW
 */
@mixin box-shadow($dx, $dy, $r, $color) {
    box-shadow:$dx $dy $r $color;
}
@mixin box-shadow-inset($dx, $dy, $r, $color) {
    box-shadow:inset $dx $dy $r $color;
}
@mixin box-shadow-none() {
    box-shadow:none
}

/**
 * BORDER RADIUS
 */
@mixin border-radius($tl, $tr, $bl, $br) {
    border-radius: $tl $tr $bl $br
}
@mixin border-radius-all($radius) {
    border-radius: $radius
}
@mixin border-radius-top($radius) {
    border-radius: $radius $radius 0 0;
}
@mixin border-radius-bottom($radius) {
    border-radius: 0 0 $radius $radius;
}

/**
 * TRANSITION
 */
@mixin transition($property, $duration) {
    transition:$property $duration
}
@mixin transition-all($duration) {
    transition: all $duration
}